[GitHub] [apisix] tzssangglass commented on issue #6694: bug: using DNS discovery SRV and CHash algorithm can't work like node upstream type

[GitBox <gi...@apache.org>]

tzssangglass commented on issue #6694:
URL: https://github.com/apache/apisix/issues/6694#issuecomment-1172936393

   I tried to install consul, here are some steps:
   
   1. install 
   
   ```
   sudo yum install -y yum-utils
   sudo yum-config-manager --add-repo https://rpm.releases.hashicorp.com/RHEL/hashicorp.repo
   sudo yum -y install consul
   ```
   
   2. start consul
   
   ```
   consul agent -dev
   ```
   
   3. register service
   
   ```
   # register
   curl http://127.0.0.1:8500/v1/agent/service/register -X PUT -d '
   {
       "id":"pushgateway-9091",
       "name":"pushgateway",
       "address":"127.0.0.1",
       "port":9091,
       "check":{
           "http":"http://1.0.0.1:9091/-/healthy",
           "interval":"10s",
           "timeout":"3s"
       }
   }'
   
   # check
   curl http://127.0.0.1:8500/v1/agent/service/pushgateway-9091
   {
       "ID": "pushgateway-9091",
       "Service": "pushgateway",
       "Tags": [],
       "Meta": {},
       "Port": 9091,
       "Address": "127.0.0.1",
       "TaggedAddresses": {
           "lan_ipv4": {
               "Address": "127.0.0.1",
               "Port": 9091
           },
           "wan_ipv4": {
               "Address": "127.0.0.1",
               "Port": 9091
           }
       },
       "Weights": {
           "Passing": 1,
           "Warning": 1
       },
       "EnableTagOverride": false,
       "ContentHash": "2f65415818755fba",
       "Datacenter": "dc1"
   }
   ```
   
   4. fetch service by dig
   
   ```
   dig @127.0.0.1 -p 8600 pushgateway.service.dc1.consul -t srv
   
   ; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.8 <<>> @127.0.0.1 -p 8600 pushgateway.service.dc1.consul -t srv
   ; (1 server found)
   ;; global options: +cmd
   ;; Got answer:
   ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58617
   ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
   ;; WARNING: recursion requested but not available
   
   ;; OPT PSEUDOSECTION:
   ; EDNS: version: 0, flags:; udp: 4096
   ;; QUESTION SECTION:
   ;pushgateway.service.dc1.consul.	IN	SRV
   
   ;; AUTHORITY SECTION:
   consul.			0	IN	SOA	ns.consul. hostmaster.consul. 1656784437 3600 600 86400 0
   
   ;; Query time: 0 msec
   ;; SERVER: 127.0.0.1#8600(127.0.0.1)
   ;; WHEN: Sun Jul 03 01:53:57 CST 2022
   ;; MSG SIZE  rcvd: 109
   ```
   
   Here's how I should get to the service I just registered via dig, I tried a few ways by got no answer.


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